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Fred Frauhiger is the head plumber at Knarly's Water
Works. Renegade vandals from a competing company, Krasshopper's Knifty
Water Works, have broken into Knarly's factory and scrambled all of the
parts to Fred's new project, the Closed Circuit Septic System. Fred
must now reconstruct the only existing prototype systems.

Knarly is a new type of logic puzzle. The picture above shows a simple puzzle (on the left) and its solution (on...you guessed
it...the right). You're presented with clue tiles containing sections of pipe, and your task is to fit those sections of
pipe together to form a "closed circuit" of plumbing. The clue tiles to the left of the puzzle must remain on their same row as they are placed
into the puzzle, and clue tiles above the puzzle must remain in their same column as they're placed into the puzzle. None of the clue tiles
may be rotated or flipped. All of the tiles are used to complete the puzzle. Each puzzle is guaranteed to have only one possible solution.
Puzzles come in sizes 4x4, 5x5, 6x6, 7x7, and 8x8.

WHAT-IF PUZZLES

The Knarly Works program can make many "direct logic" deductions about which pieces have to be placed where, but will
frequently reach a point where it has to use "what-if logic" to proceed (see the Help screens in the game for more information regarding
"what-if logic"). This doesn't mean that YOU will need to use what-if logic all the times that the computer does (you may be smarter than the
computer... :-), and it doesn't mean that you will have to use as many what-if deductions as the computer does to solve a given puzzle.
However, the number of what-ifs required by the PROGRAM to solve a puzzle can be a ROUGH indicator of the difficulty of the puzzle.

Some folks have expressed interest in knowing what the "needed what-ifs" counts are for the various puzzles, so I've generated
an ASCII text file (.CSV, comma-separated-values) for each puzzle size 4-8, which contains a puzzle number and a what-ifs-needed count on each
line. If a puzzle number is not listed, then the what-ifs-needed count for that puzzle is 0. You can read these files in a text editor or word
processor, or if you wish to sort them by the what-ifs-needed counts, you can import them into a spreadsheet program and sort on the second
column.

Additional Files

ADVERT - an "Everett Kaser Software 'advertisment'" image set from Grant Fikes. (June 10, 2004)TROMUSIC - MIDI files sent in by Judy Spence to use with her TROLLS image set (that's included in the licensed version) as background music. By the way, she also gave the trolls names:

LAYERS - This ZIP file contains TEMPLATE.PSP, which is ONLY of interest to those of you who have Paint Shop Pro version 6 or greater, know how to use
the "layers" feature of it, and want to create your own KW image set with other colors, textures, backgrounds, etc. This will let you do it
more easily, as the major components of the KW image set file are separated onto different layers, and the pipes themselves are a flat
gray, making it easy to select them with the "magic selector wand" and then perform whatever "image effects" you want upon them (or replace
them entirely with something else).LAYERS5 - Same as above but saved in Paint Shop Pro version 5 compatible format.

If you don't have to have a Paypal account, when you get to the Paypal site, just click on the
"If you don't have a PayPal account?" link and they'll submit the charge to the credit card of your choice.

The demo and licensed versions are identical, except that the demo version has limited numbers of puzzles, and the licensed version may have additional support files (like extra image sets). So, if the demo version works for you, the licensed version will, too. If the demo version doesn't work for you, neither will the licensed version.

Generally, you don't need to un-install a demo version before installing the licensed version. The licensed version will install right over the top of the demo version and use all of the settings you've already created with the demo version.

NOTE: You can not upgrade your licensed version by installing a newer demo version over the top of the licensed version. You would just end up with a demo version.